In this article, we obtain a gap property of energy densities of harmonic maps from a closed Riemannian manifold to a Grassmannian and then, use it to Gaussian maps of some submanifolds to get a gap property of the second fundamental forms.
@article{107935, author = {Qun Chen and Zhen Rong Zhou}, title = {Gap properties of harmonic maps and submanifolds}, journal = {Archivum Mathematicum}, volume = {041}, year = {2005}, pages = {59-69}, zbl = {1112.58013}, mrnumber = {2142143}, language = {en}, url = {http://dml.mathdoc.fr/item/107935} }
Chen, Qun; Zhou, Zhen Rong. Gap properties of harmonic maps and submanifolds. Archivum Mathematicum, Tome 041 (2005) pp. 59-69. http://gdmltest.u-ga.fr/item/107935/
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